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TFS108-SAW-Filter PDF预览

TFS108-SAW-Filter

更新时间: 2023-12-06 20:08:13
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描述
Surface Acoustic Wave (SAW) devices are compact, cost competitive radio frequency (RF) solutions t

TFS108-SAW-Filter 数据手册

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Filename: tfs 108.doc  
Version 1.1  
30.01.2014  
Microchip  
Filter specification  
TFS 108  
1/5  
Measurement condition  
Ambient temperature:  
Input power level:  
Terminating impedance: *  
Input:  
25  
0
°C  
dBm  
836 || - 16.1pF  
827 || - 16.1pF  
Output:  
Characteristics  
Remark:  
The reference level for the relative attenuation a of the TFS108 is the minimum of the pass band attenuation. This value is defined as  
rel  
the insertion loss a . The nominal frequency f is fixed at 108.5 MHz without any tolerance. The values of relative attenuation a are  
e
N
rel  
guaranteed for the whole operating temperature range. The frequency shift of the filter in the operating temperature range is included in  
the production tolerance scheme.  
D a t a  
typ. value  
tolerance / limit  
Insertion loss  
(reference level)  
a
7.5  
dB  
max.  
max.  
9.5  
12  
dB  
e
Insertion loss within 2.5dB BW  
Nominal frequency  
ae + 2.5dB  
10  
-
dB  
fN  
108.5  
0.5  
MHz  
Passband  
PB  
fN  
±
MHz  
Pass band ripple within PB  
Relative attenuation  
0.3  
max.  
2.5  
dB  
a
rel  
fN  
fN  
fN  
fN  
fN  
fN  
fN  
fN  
fN  
fN  
fN  
-
0.5  
0.8  
MHz fN  
MHz fN  
MHz fN  
MHz fN  
MHz fN  
MHz fN  
MHz fN  
MHz fN  
MHz fN  
MHz fN  
MHz fN  
+
-
0.5  
1.2  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
2.0  
21  
40  
50  
41  
42  
52  
60  
47  
80  
80  
max.  
min.  
min.  
min.  
min.  
min.  
min.  
min.  
min.  
min.  
min.  
2.5  
13  
34  
40  
20  
30  
40  
45  
40  
45  
40  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
-
-
1.2  
-
5.5  
-
5.5  
-
22.5  
2.5  
+
+
+
+
+
+
+
1.5  
+
+
+
+
+
+
+
2.5  
9.5  
9.5  
35.5  
45.5  
143.5  
153.5  
160  
35.5  
45.5  
143.5  
153.5  
Group delay ripple within PB  
GDR  
200  
max.  
min.  
min.  
max  
1000  
30  
ns  
IIP3  
-
dBm  
dB  
Return loss within PB  
12  
10  
Input power  
-
10  
dBm  
Operating temperature range  
Operable temperature range  
Storage temperature range  
OTR  
- 40 °C ... + 85°C  
- 55 °C ... + 85°C  
- 55 °C ... + 85°C  
-0.036 ppm/K2  
Temperature coefficient of frequency  
TC **  
f
*) The terminating impedances depend on parasitics and q-values of matching elements and the board used, and are to be understood as reference values  
only. Should there be additional questions do not hesitate to ask for an application note or contact our design team.  
**) f(Hz) = TC (ppm/K2) x (T-T0)² x f (MHz) .  
f
To  
Generated:  
Checked / Approved:  
Microchip Frequency Technology GmbH  
Potsdamer Straße 18  
D 14 513 TELTOW / Germany  
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30  
Microchip Frequency Technology GmbH reserves the right to make changes to the product(s) and/or information contained herein  
without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any  
such product(s) or information.  

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